Abstract

Owing to the presence of several variants at the adult β-locus and at both α-globinloci, the Hb polymorphism in goat is remarkably complex. We recently confirmed this high polymorphism in a survey on some 400 goats from Sardinia, Egypt and Cyprus. Eight alleles at the β-adultlocus and two allelic genes at both α-globinloci have been detected by electrophoretic and Chromatographic techniques. Five of the β genes identified have been completely sequenced. Four of them produce globin chains already described in previous studies at the protein level, whereas the globin chain encoded by the remaining one was undescribed. Results at the coding and non-coding regions level provide a possible basis for further interpretations on the origin of these alleles.

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